- incapable of being expressed in words
WordReference Random House Learner's Dictionary of American English © 2026
un•ut•ter•a•ble /ʌnˈʌtərəbəl/USA pronunciation
adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2026- beyond one's ability to describe:unutterable joy; unutterable sorrow.
un•ut•ter•a•ble
(un ut′ər ə bəl),USA pronunciation adj.
un•ut′ter•a•bly, adv.
- not communicable by utterance;
unspeakable;
beyond expression:unutterable joy. - not utterable;
not pronounceable:an unutterable foreign word.
- un-1 + utterable 1580–90
Collins Concise English Dictionary © HarperCollins Publishers::
unutterable /ʌnˈʌtərəbəl/ adj
'unutterable' also found in these entries (note: many are not synonyms or translations):